Language basics / Expressions |
A datetime expression evaluates to a DATETIME data type.
MAIN DEFINE r, c DATETIME YEAR TO SECOND LET c = CURRENT YEAR TO SECOND LET r = c + INTERVAL( 234-02 ) YEAR TO MONTH END MAIN
The operands of a datetime expression can be one of:
If a datetime expression includes an operand whose value is not a datetime data type, the runtime system attempts to convert the value to a datetime value according to the data conversion rules.
If an element of an integer expression is NULL, the expression is evaluated to NULL.